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cmSystemTools: Simplify using KWSys Status

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This commit is contained in:
Brad King
2021-04-14 12:20:00 -04:00
parent ec1b6157cb
commit 3ef5dab010
1 changed files with 26 additions and 31 deletions
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57
Source/cmSystemTools.cxx
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@@ -153,27 +153,6 @@ static int cm_archive_read_open_file(struct archive* a, const char* file,
# define environ (*_NSGetEnviron())
#endif
namespace {
void ReportError(std::string* err)
{
if (!err) {
return;
}
#ifdef _WIN32
LPSTR message = NULL;
DWORD size = FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&message, 0, NULL);
*err = std::string(message, size);
LocalFree(message);
#else
*err = strerror(errno);
#endif
}
}
bool cmSystemTools::s_RunCommandHideConsole = false;
bool cmSystemTools::s_DisableRunCommandOutput = false;
bool cmSystemTools::s_ErrorOccured = false;
@@ -1023,16 +1002,24 @@ cmSystemTools::CopyResult cmSystemTools::CopySingleFile(
return CopyResult::Success;
}
if (!cmsys::SystemTools::CloneFileContent(oldname, newname)) {
cmsys::Status status;
status = cmsys::SystemTools::CloneFileContent(oldname, newname);
if (!status) {
// if cloning did not succeed, fall back to blockwise copy
if (!cmsys::SystemTools::CopyFileContentBlockwise(oldname, newname)) {
ReportError(err);
return CopyResult::Failure;
status = cmsys::SystemTools::CopyFileContentBlockwise(oldname, newname);
}
if (!status) {
if (err) {
*err = status.GetString();
}
return CopyResult::Failure;
}
if (perms) {
if (!SystemTools::SetPermissions(newname, perm)) {
ReportError(err);
status = SystemTools::SetPermissions(newname, perm);
if (!status) {
if (err) {
*err = status.GetString();
}
return CopyResult::Failure;
}
}
@@ -1090,7 +1077,9 @@ cmSystemTools::RenameResult cmSystemTools::RenameFile(
if (replace == Replace::No && move_last_error == ERROR_ALREADY_EXISTS) {
return RenameResult::NoReplace;
}
ReportError(err);
if (err) {
*err = cmsys::Status::Windows(move_last_error).GetString();
}
return RenameResult::Failure;
}
@@ -1121,7 +1110,9 @@ cmSystemTools::RenameResult cmSystemTools::RenameFile(
if (replace == Replace::No && GetLastError() == ERROR_ALREADY_EXISTS) {
return RenameResult::NoReplace;
}
ReportError(err);
if (err) {
*err = cmsys::Status::Windows_GetLastError().GetString();
}
return RenameResult::Failure;
#else
// On UNIX we have OS-provided calls to create 'newname' atomically.
@@ -1132,13 +1123,17 @@ cmSystemTools::RenameResult cmSystemTools::RenameFile(
if (errno == EEXIST) {
return RenameResult::NoReplace;
}
ReportError(err);
if (err) {
*err = cmsys::Status::POSIX_errno().GetString();
}
return RenameResult::Failure;
}
if (rename(oldname.c_str(), newname.c_str()) == 0) {
return RenameResult::Success;
}
ReportError(err);
if (err) {
*err = cmsys::Status::POSIX_errno().GetString();
}
return RenameResult::Failure;
#endif
}